diff --git a/Array.js b/Array.js
index 334db74..01698c4 100644
--- a/Array.js
+++ b/Array.js
@@ -234,7 +234,7 @@ object.Mixin('ArrayProtoMixin', 'soft', {
 	// 		location...
 	// NOTE: this will get depricated as soon as JS redoes its .indexOf(..)
 	index: function(value){
-		for(var i = 0; i < this.length && this[i] !== elem; i++){}
+		for(var i = 0; i < this.length && this[i] !== value; i++){}
 		return i == this.length ? -1 : i },
 
 
diff --git a/package.json b/package.json
index 0d60d7d..b55ecaa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ig-types",
-  "version": "5.0.19",
+  "version": "5.0.20",
   "description": "Generic JavaScript types and type extensions...",
   "main": "main.js",
   "scripts": {